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What kind of heat sink fan do I need for my CPU?

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August 4, 2014 3:09:49 PM

Hey guys,

I'm thinking about purchasing the Noctua NH-D15 air cooler for my CPU, but dislike the fan themes of the cooler, so would like to refit the heat sink with fans of my own liking.

The issue I'm having is that I do not know what type of fan is required to vent air through a heat sink. I imagine that traditional airflow fans will not work because they lack the air displacement to properly cool a heat sink, so what fan type do I need?

I have noticed that the Noctua NF-A15 PWM fans that are installed stock with the heat sink are pulse-width modulated, as well as having a somewhat high airflow displacement of 115.5 m³/h.

But which characteristics should be favoured?

Thanks guys

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a b à CPUs
August 4, 2014 3:18:48 PM

Static Pressure fans. They move air better than normal fans when having to blows through something like a Heatsink. Noctua has SP120 fans that are just the same as the stock ones that come in a matte black and silver. Not exactly sure were you can buy these but Noctua fans are some of the best in the industry. Not even sure if theyre available yet.

Heres link to the fans.

http://www.noctua.at/main.php?show=news_list&news_id=93...
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August 4, 2014 3:20:07 PM

xTempered said:
Static Pressure fans. They move air better than normal fans when having to blows through something like a Heatsink. Noctua has SP120 fans that are just the same as the stock ones that come in a matte black and silver. Not exactly sure were you can buy these but Noctua fans are some of the best in the industry.

Heres link to the fans.

http://www.noctua.at/main.php?show=news_list&news_id=93...


Cheers, just the answer I needed! (;

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a c 233 à CPUs
August 4, 2014 3:45:09 PM

Noctua fans are some of the best in the industry .... 2nd best to be exact

http://www.overclockersclub.com/reviews/phenteks_f140/3...

BTW, the DH-15 uses NF-A15 140mm fans with PWM support. The SP120s are a 120mm line of fans from Corsair. You will wanna stick with the 140mm line of fans on that cooler.

The Phanteks DC fans at 1200 rpm beat the Noctua 1500 rpm fans by 3C .... but they are not PWM.... if ya want PWM, then the Nocs beat the PWM version of the Phanteks fans by 2C. I'm using 15 Phanteks SP140s in my desktop, 10 of which are on radiators. For an air cooler, for best results, I'd prolly use the Phanteks PWM fan controller device and three SP140s ... the Fan Hub is very cool....takes a PWM signal and controls up to 11 3 pin fans giving you best of both worlds .... LED versions (blue , red and white) also available

$20 http://www.newegg.com/Product/Product.aspx?Item=N82E168...
$15 http://www.phanteksusa.com/products/phanteks-fan-hub

$10 x 3 http://www.newegg.com/Product/Product.aspx?Item=N82E168...

They also have a 140mm fan with 120mm mounting holes for coolers with 120mm fan spacing. You can see how this fan compared with the Noctua and other fans here (Phanteks took 1st place, Nocs finished in 3 outta next 4 places

http://www.silentpcreview.com/article1345-page7.html



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